NORTH DAVIS DUPLEXES 421
PWS ID: MT0002121 · MISSOULA, Montana 59801
Population Served
33
Total Violations
220
Health-Based Violations
24
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 13
- County
- Missoula
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 191
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 24 | 2009 |
| Coliform (TCR) | MR | 7 | 2006 |
| Lead and Copper Rule | MR | 5 | 2007 |
| E. COLI | MR | 4 | 2016 |
| Arsenic | MR | 3 | 2002 |
| Barium | MR | 3 | 2002 |
| Cadmium | MR | 3 | 2002 |
| Fluoride | MR | 3 | 2002 |
| Nickel | MR | 3 | 2002 |
| Antimony, Total | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
| Selenium | MR | 3 | 2002 |
| Toxaphene | MR | 3 | 2002 |
| Dalapon | MR | 3 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2002 |
| OXAMYL | MR | 3 | 2002 |
| Simazine | MR | 3 | 2002 |
| Picloram | MR | 3 | 2002 |
| Dinoseb | MR | 3 | 2002 |
| Hexachlorocyclopentadiene | MR | 3 | 2002 |
| Atrazine | MR | 3 | 2002 |
| LASSO | MR | 3 | 2002 |
| Heptachlor epoxide | MR | 3 | 2002 |
| 2,4-D | MR | 3 | 2002 |
| Pentachlorophenol | MR | 3 | 2002 |
| Chlordane | MR | 3 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2002 |
| Xylenes, Total | MR | 3 | 2002 |
| DICHLOROMETHANE | MR | 3 | 2002 |
| p-Dichlorobenzene | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.